October 2012
2-32
ColorQube 8570/8870 Service Manual
91,721
Revised, 3rd Revision - Xerox Internal Use Only
Fault Messages and Codes
Y
N
Inspect the anti-rotation feature of the Cone-nut where it
engages the chassis rib. Is the Cone-nut not engaged on
both sides of the chassis rib?
Y
N
With the printer stalled on 91,721 fault, rehome the Pro-
cess Drive (
ADJ 1.3
). Does the Head tilt freely forwards
and backwards without rubbing on the Printhead
Restraints?
Y
N
Replace the Printhead Assembly (
REP 2.3
) and Print-
head Restraints (
REP 2.9
).
Manually rotate the Head back. Bring the Wiper up and
allow the Printhead to rest on the Wiper. Is the Wiper not
aligned with the Jetstack? Is the Wiper skewed?
Y
N
Replace the Process Drive (
REP 4.13
).
The Wiper Clips are interfering with the Head Tilt motion.
Rehome the Wiper Blade (
ADJ 1.1
) at bottom of its travel.
Remove and reinstall the X-axis Motor (
REP 4.11
) with the
Cone-nut correctly engaged on chassis rib.
Replace the X-Axis Motor (
REP 4.11
) and Cone-nut Assembly.
The Process Drive is worn. Replace the Process Drive (
REP 4.13
).
The Ink Loader has mis-dripped. Remove the Printhead (
REP 2.3
). Clean the
chassis and gear train of ink debris. Reinstall the Printhead.
The Printhead has overflowed. Remove the Printhead (
REP 2.3
). Clean the chassis
and gear train of ink debris. Reinstall a new Printhead.
Reroute the wires as shown in
Figure 1
. The wires should not contact the swing arm sec-
tion of the Process Module.
Has the printer been running large continuous print job recently?
Y
N
Troubleshooting complete.
Replace the Process Drive (
REP 4.13
).
Figure 1 Right Side Wire Routing
A
B
C
D
E
Summary of Contents for COLORQUBE 8570
Page 1: ...ColorQube 8570 8870 Printer ColorQube 8570 8870 Service Manual Xerox Internal Use Only...
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